One Adapter for Two Devices: The car charger comes with one Qualcomm 3.0 USB Port and one 3.1 A USB Port. The 3.0 technology: The quick charge 3.0 technology charges the device 5 times faster than the normal charger. Protection: Designed to protect your devices from over- heating, over-charging, the charging process is stopped when the device is 100% charged. Durable: Robust textured design and premium internal material components protects the charger and ensures 100% performance post falls, bumps and scratches. No More Boring Rides: With this car charger in your car all your devices are powered up making your rides fun filled.